CVE-2021-25398 : Security Advisory and Response
Learn about CVE-2021-25398, an intent redirection vulnerability in Bixby Voice prior to version 3.1.12, enabling attackers to access contacts. Mitigation steps and preventive measures included.
A vulnerability in Bixby Voice prior to version 3.1.12 allows attackers to access contacts, posing a security risk for users.
Understanding CVE-2021-25398
This CVE refers to an intent redirection vulnerability in Bixby Voice that enables unauthorized access to contacts.
What is CVE-2021-25398?
The CVE-2021-25398 vulnerability involves an intent redirection issue in Samsung Mobile's Bixby Voice, allowing malicious actors to obtain access to a user's contacts.
The Impact of CVE-2021-25398
Exploitation of this vulnerability could lead to unauthorized access to sensitive contact information stored on the affected device, potentially compromising user privacy and security.
Technical Details of CVE-2021-25398
The following technical details outline key aspects of the CVE-2021-25398 vulnerability.
Vulnerability Description
The vulnerability exists in Bixby Voice versions prior to 3.1.12 and stems from an intent redirection flaw that enables attackers to access contacts.
Affected Systems and Versions
- Product: Bixby Voice
- Vendor: Samsung Mobile
- Versions Affected: Less than 3.1.12 (Custom Version)
Exploitation Mechanism
Attackers can exploit this vulnerability to perform intent redirection attacks, gaining unauthorized access to a user's contacts stored on the device.
Mitigation and Prevention
To safeguard systems from the risks associated with CVE-2021-25398, immediate actions and long-term security practices are crucial.
Immediate Steps to Take
- Users should update Bixby Voice to version 3.1.12 or newer to mitigate the vulnerability and prevent unauthorized contact access.
Long-Term Security Practices
- Regularly update all software and applications to patch vulnerabilities and enhance security measures.
- Avoid granting unnecessary permissions to applications to minimize the risk of contact data exposure.
Patching and Updates
- Samsung Mobile users should stay informed about security updates from the vendor and apply patches promptly to address known vulnerabilities.